content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------------------------
   * ClusteredXYBarRendererTests.java
   * --------------------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 25-Mar-2003 : Version 1 (DG);
   * 22-Oct-2003 : Added hashCode test (DG);
   * 10-Jul-2007 : Fixed compile errors (DG);
   * 22-Apr-2008 : Added testPublicCloneable() (DG);
   *
   */
  
  package org.jfree.chart.renderer.xy;
  
  import org.jfree.chart.util.PublicCloneable;
  import org.jfree.data.Range;
  import org.jfree.data.xy.DefaultIntervalXYDataset;
  import org.jfree.data.xy.XYDataset;
  import org.junit.jupiter.api.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Tests for the {@link ClusteredXYBarRenderer} class.
   */
  public class ClusteredXYBarRendererTest  {
  
  
  
  
  
      /**
       * Check that the equals() method distinguishes all fields.
       */
      @Test
      public void testEquals() {
          ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
          ClusteredXYBarRenderer r2 = new ClusteredXYBarRenderer();
          assertEquals(r1, r2);
          assertEquals(r2, r1);
  
          r1 = new ClusteredXYBarRenderer(1.2, false);
          assertFalse(r1.equals(r2));
          r2 = new ClusteredXYBarRenderer(1.2, false);
          assertEquals(r1, r2);
  
          r1 = new ClusteredXYBarRenderer(1.2, true);
          assertFalse(r1.equals(r2));
          r2 = new ClusteredXYBarRenderer(1.2, true);
          assertEquals(r1, r2);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
          ClusteredXYBarRenderer r2 = new ClusteredXYBarRenderer();
          assertEquals(r1, r2);
          int h1 = r1.hashCode();
          int h2 = r2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
          ClusteredXYBarRenderer r2 = (ClusteredXYBarRenderer) r1.clone();
          assertNotSame(r1, r2);
          assertSame(r1.getClass(), r2.getClass());
          assertEquals(r1, r2);
      }
  
      /**
       * Verify that this class implements {@link PublicCloneable}.
       */
      @Test
      public void testPublicCloneable() {
          ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
          assertTrue(r1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(r1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          ClusteredXYBarRenderer r2 = (ClusteredXYBarRenderer) in.readObject();
          in.close();
  
          assertEquals(r1, r2);
  
      }
  
      private static final double EPSILON = 0.0000000001;
  
      /**
       * Some checks for the findDomainBounds() method (which requires special
       * handling when the centerBarAtStartValue flag is set to true).
       */
      @Test
      public void testFindDomainBounds() {
          AbstractXYItemRenderer renderer = new ClusteredXYBarRenderer();
          XYDataset dataset = createSampleDataset1();
          Range r = renderer.findDomainBounds(dataset);
          assertEquals(0.9, r.getLowerBound(), EPSILON);
          assertEquals(13.1, r.getUpperBound(), EPSILON);
  
          renderer = new ClusteredXYBarRenderer(0.0, true);
          r = renderer.findDomainBounds(dataset);
          assertEquals(0.8, r.getLowerBound(), EPSILON);
          assertEquals(13.0, r.getUpperBound(), EPSILON);
  
          // check that a null dataset returns null bounds
          assertNull(renderer.findDomainBounds(null));
      }
  
      /**
       * Creates a sample dataset for testing.
       *
       * @return A sample dataset.
       */
      public DefaultIntervalXYDataset createSampleDataset1() {
          DefaultIntervalXYDataset d = new DefaultIntervalXYDataset();
          double[] x1 = new double[] {1.0, 2.0, 3.0};
          double[] x1Start = new double[] {0.9, 1.9, 2.9};
          double[] x1End = new double[] {1.1, 2.1, 3.1};
          double[] y1 = new double[] {4.0, 5.0, 6.0};
          double[] y1Start = new double[] {1.09, 2.09, 3.09};
          double[] y1End = new double[] {1.11, 2.11, 3.11};
          double[][] data1 = new double[][] {x1, x1Start, x1End, y1, y1Start,
                  y1End};
          d.addSeries("S1", data1);
  
          double[] x2 = new double[] {11.0, 12.0, 13.0};
          double[] x2Start = new double[] {10.9, 11.9, 12.9};
          double[] x2End = new double[] {11.1, 12.1, 13.1};
          double[] y2 = new double[] {14.0, 15.0, 16.0};
          double[] y2Start = new double[] {11.09, 12.09, 13.09};
          double[] y2End = new double[] {11.11, 12.11, 13.11};
          double[][] data2 = new double[][] {x2, x2Start, x2End, y2, y2Start,
                  y2End};
          d.addSeries("S2", data2);
          return d;
      }
  
  }
  